Home / 10,787,561.60-16,179,009.60-4,722,281.60

Finding the Fourth Proportional to 10,787,561.60, 16,179,009.60 and 4,722,281.60

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Solution

The fourth proportional to 10,787,561.60, 16,179,009.60 and 4,722,281.60 is: 7,082,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,561.60 : 16,179,009.60 = 4,722,281.60 : x
  2. Step 2: Convert to fraction form
    10,787,561.60/16,179,009.60 = 4,722,281.60/x
  3. Step 3: Cross multiply
    10,787,561.60x = 16,179,009.60 × 4,722,281.60
  4. Step 4: Simplify right side
    10,787,561.60x = 76,401,839,340,303.36
  5. Step 5: Solve for x
    x = 76,401,839,340,303.36/10,787,561.60
  6. Step 6: Final answer
    x = 7,082,401.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.